const { spawn } = require('child_process');
const { kill } = require('cross-port-killer');

const env = Object.create(process.env);
env.BROWSER = 'none';
const startServer = spawn(/^win/.test(process.platform) ? 'npm.cmd' : 'npm', ['start'], {
    env,
});

startServer.stderr.on('data', data => {
    // eslint-disable-next-line
  console.log(data);
});

startServer.on('exit', () => {
    kill(process.env.PORT || 8000);
});

// eslint-disable-next-line
console.log('Starting development server for e2e tests...');
startServer.stdout.on('data', data => {
    // eslint-disable-next-line
  console.log(data.toString());
    if (
        data.toString().indexOf('Compiled successfully') >= 0 ||
    data.toString().indexOf('Compiled with warnings') >= 0
    ) {
    // eslint-disable-next-line
    console.log('Development server is started, ready to run tests.');
        const testCmd = spawn(/^win/.test(process.platform) ? 'npm.cmd' : 'npm', ['test'], {
            stdio: 'inherit',
        });
        testCmd.on('exit', () => {
            startServer.kill();
        });
    }
});
